diff --git a/app/services/sets/product_set.rb b/app/services/sets/product_set.rb
index 1adcdcb579..ba3fb40240 100644
--- a/app/services/sets/product_set.rb
+++ b/app/services/sets/product_set.rb
@@ -46,18 +46,12 @@ module Sets
     #   variant.update( { price: xx.x } )
     #
     def update_product_attributes(attributes)
-      split_taxon_ids!(attributes)
-
       product = find_model(@collection, attributes[:id])
       return if product.nil?
 
       update_product(product, attributes)
     end
 
-    def split_taxon_ids!(attributes)
-      attributes[:taxon_ids] = attributes[:taxon_ids].split(',') if attributes[:taxon_ids].present?
-    end
-
     def update_product(product, attributes)
       return false unless update_product_only_attributes(product, attributes)